Quarterly report pursuant to Section 13 or 15(d)

SEGMENT REPORTING - Summary of selected statement of operations data (Details)

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SEGMENT REPORTING - Summary of selected statement of operations data (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Segment Reporting Information [Line Items]        
Revenues $ 36,704 $ 27,840 $ 75,830 $ 61,166
Selling, general and administrative expense 12,106 7,712 24,340 16,273
Depreciation and amortization 2,198 1,523 4,408 3,388
Operating gains   438   41,200
Operating income (loss) 2,026 1,423 5,137 47,746
Net income (loss) attributable to the Company (42) 732 534 26,581
Operating Segments | Casino Operations | Nevada
        
Segment Reporting Information [Line Items]        
Revenues 5,203 5,179 10,528 10,065
Selling, general and administrative expense 1,513 1,570 2,997 3,137
Depreciation and amortization 177 247 357 488
Operating gains          
Operating income (loss) 948 723 1,908 1,081
Net income (loss) attributable to the Company 626 476 1,260 709
Operating Segments | Casino Operations | Midwest
        
Segment Reporting Information [Line Items]        
Revenues 17,798 22,261 37,412 44,892
Selling, general and administrative expense 4,369 4,645 8,774 9,662
Depreciation and amortization 726 1,274 1,473 2,302
Operating gains          
Operating income (loss) 1,044 1,536 2,999 3,599
Net income (loss) attributable to the Company 672 1,450 1,637 412
Operating Segments | Casino Operations | Gulf Coast
        
Segment Reporting Information [Line Items]        
Revenues 13,370    27,080   
Selling, general and administrative expense 4,689    9,295   
Depreciation and amortization 1,292    2,573   
Operating gains          
Operating income (loss) 1,235    2,737   
Net income (loss) attributable to the Company 800    1,790   
Operating Segments | Development / Management
        
Segment Reporting Information [Line Items]        
Revenues 333 400 810 6,209
Selling, general and administrative expense          136
Depreciation and amortization          593
Operating gains   438   41,200
Operating income (loss) 336 749 771 46,560
Net income (loss) attributable to the Company 116 (150) 497 29,959
Corporate
        
Segment Reporting Information [Line Items]        
Revenues            
Selling, general and administrative expense 1,535 1,497 3,274 3,338
Depreciation and amortization 3 2 5 5
Operating gains          
Operating income (loss) (1,537) (1,585) (3,278) (3,494)
Net income (loss) attributable to the Company $ (2,256) $ (1,044) $ (4,650) $ (4,499)